<template>
    <view class="cart-container" v-if="cart.length!==0">
        <!-- 收货地址组件 -->
        <my-address></my-address>
        <!-- 商品列表区域 -->
        <view class="cart-title">
            <!-- 左侧商品图标 -->
            <uni-icons type="shop" size="30"></uni-icons>
            <!-- 右侧商品文本区域 -->
            <text class="cart-title-right">购物车</text>
        </view>



        <!-- 滑动删除 -->
        <uni-swipe-action>
            <block v-for="(goods,i) in cart" :key="i">
                <uni-swipe-action-item :right-options="options" @click="swipeItemHandler(goods)">
                    <my-goods :goods="goods" :show-radio="true" @radio-change="radioChangeHandler" :show-num="true"
                        @num-change="numChangeHandler"></my-goods>
                </uni-swipe-action-item>
            </block>
        </uni-swipe-action>


        <!-- 使用自定义结算组件 -->
        <my-settle></my-settle>
    </view>


    <view class="empty" v-else>
        <image src="/static/cart_empty@2x.png" class="empty-img"></image>
        <text class="tip-text">空空如也~</text>
    </view>


</template>

<script>
    import badgeMix from '@/mixins/tabbar-badge.js'
    import myAddress from '@/components/my-address/my-address.vue'
    import mySettle from '@/components/my-settle/my-settle.vue'
    import {
        mapState,
        mapMutations
    } from 'vuex'
    export default {
        components: {
            myAddress,
            mySettle
        },
        mixins: [badgeMix],
        computed: {
            ...mapState('m_cart', ['cart']),
        },
        data() {
            return {
                options: [{
                    text: '删除',
                    style: {
                        backgroundColor: ' #c00000'
                    }
                }]
            }
        },
        methods: {
            ...mapMutations('m_cart', ['updateGoodsState', 'updateGoodsCount', 'removeGoodsById']),
            radioChangeHandler(e) {
                this.updateGoodsState(e)
            },
            numChangeHandler(e) {
                this.updateGoodsCount(e)
                // console.log(e);
            },
            swipeItemHandler(goods) {
                // 调用删除商品的方法
                this.removeGoodsById(goods.goods_id)
            }
        }
    }
</script>

<style>
    .cart-title {
        height: 40px;
        display: flex;
        align-items: center;
        padding: 0 10px;
    }

    .cart-title .cart-title-right {
        font-size: 16px;
        border: 1px solid #efefef;
        margin-left: 10px;
    }

    .cart-container {
        padding-bottom: 50px;
    }

    .empty {
        display: flex;
        flex-direction: column;
        align-items: center;
        padding-top: 150px;
    }

    .empty-img {
        width: 90px;
        height: 90px;
    }

    .tip-text {
        font-size: 12px;
        color: gray;
        margin-top: 15px;
    }
</style>